DP Chemistry (last assessment 2024)
Question 18N.2.hl.TZ0.9d
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.2.hl.TZ0.9d |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | State | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 1]
18N.2.hl.TZ0.9d
Halogenoalkanes undergo nucleophilic substitution reactions with sodium hydroxide.
(d)
State, giving your reason, whether the hydroxide ion acts as a Lewis acid, a Lewis base, or neither in the nucleophilic substitution.
[1]
Markscheme
«Lewis» base AND donates a pair of electrons ✔
